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Data Structures | Macros | Functions | Variables
asfdec-o.c File Reference
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/avstring.h"
#include "libavutil/bswap.h"
#include "libavutil/common.h"
#include "libavutil/dict.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/time_internal.h"
#include "avformat.h"
#include "avio_internal.h"
#include "avlanguage.h"
#include "id3v2.h"
#include "internal.h"
#include "riff.h"
#include "asf.h"
#include "asfcrypt.h"

Go to the source code of this file.

Data Structures

struct  GUIDParseTable
 
struct  ASFPacket
 
struct  ASFStream
 
struct  ASFStreamData
 
struct  ASFContext
 

Macros

#define ASF_BOOL   0x2
 
#define ASF_WORD   0x5
 
#define ASF_GUID   0x6
 
#define ASF_DWORD   0x3
 
#define ASF_QWORD   0x4
 
#define ASF_UNICODE   0x0
 
#define ASF_FLAG_BROADCAST   0x1
 
#define ASF_BYTE_ARRAY   0x1
 
#define ASF_TYPE_AUDIO   0x2
 
#define ASF_TYPE_VIDEO   0x1
 
#define ASF_STREAM_NUM   0x7F
 
#define ASF_MAX_STREAMS   128
 
#define BMP_HEADER_SIZE   40
 
#define ASF_NUM_OF_PAYLOADS   0x3F
 
#define ASF_ERROR_CORRECTION_LENGTH_TYPE   0x60
 
#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE   0x2
 
#define READ_LEN(flag, name, len)
 

Functions

static int detect_unknown_subobject (AVFormatContext *s, int64_t offset, int64_t size)
 
static const GUIDParseTable * find_guid (ff_asf_guid guid)
 
static int asf_probe (AVProbeData *pd)
 
static void swap_guid (ff_asf_guid guid)
 
static void align_position (AVIOContext *pb, int64_t offset, uint64_t size)
 
static int asf_read_unknown (AVFormatContext *s, const GUIDParseTable *g)
 
static int get_asf_string (AVIOContext *pb, int maxlen, char *buf, int buflen)
 
static int asf_read_marker (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_metadata (AVFormatContext *s, const char *title, uint16_t len, unsigned char *ch, uint16_t buflen)
 
static int asf_read_value (AVFormatContext *s, uint8_t *name, uint16_t name_len, uint16_t val_len, int type, AVDictionary **met)
 
static int asf_read_generic_value (AVFormatContext *s, uint8_t *name, uint16_t name_len, int type, AVDictionary **met)
 
static int asf_read_picture (AVFormatContext *s, int len)
 
static void get_id3_tag (AVFormatContext *s, int len)
 
static int process_metadata (AVFormatContext *s, uint8_t *name, uint16_t name_len, uint16_t val_len, uint16_t type, AVDictionary **met)
 
static int asf_read_ext_content (AVFormatContext *s, const GUIDParseTable *g)
 
static AVStream * find_stream (AVFormatContext *s, uint16_t st_num)
 
static void asf_store_aspect_ratio (AVFormatContext *s, uint8_t st_num, uint8_t *name)
 
static int asf_read_metadata_obj (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_content_desc (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_properties (AVFormatContext *s, const GUIDParseTable *g)
 
static int parse_video_info (AVIOContext *pb, AVStream *st)
 
static int asf_read_stream_properties (AVFormatContext *s, const GUIDParseTable *g)
 
static void set_language (AVFormatContext *s, const char *rfc1766, AVDictionary **met)
 
static int asf_read_ext_stream_properties (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_language_list (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_data (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_simple_index (AVFormatContext *s, const GUIDParseTable *g)
 
static int asf_read_subpayload (AVFormatContext *s, AVPacket *pkt, int is_header)
 
static void reset_packet (ASFPacket *asf_pkt)
 
static int asf_read_multiple_payload (AVFormatContext *s, AVPacket *pkt, ASFPacket *asf_pkt)
 
static int asf_read_single_payload (AVFormatContext *s, AVPacket *pkt, ASFPacket *asf_pkt)
 
static int asf_read_payload (AVFormatContext *s, AVPacket *pkt)
 
static int asf_read_packet_header (AVFormatContext *s)
 
static int asf_deinterleave (AVFormatContext *s, ASFPacket *asf_pkt, int st_num)
 
static int asf_read_packet (AVFormatContext *s, AVPacket *pkt)
 
static int asf_read_close (AVFormatContext *s)
 
static void reset_packet_state (AVFormatContext *s)
 
static int64_t asf_read_timestamp (AVFormatContext *s, int stream_index, int64_t *pos, int64_t pos_limit)
 
static int asf_read_seek (AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
 
static int asf_read_header (AVFormatContext *s)
 

Variables

static const GUIDParseTable gdef []
 
AVInputFormat ff_asf_o_demuxer
 

Macro Definition Documentation

#define ASF_BOOL   0x2

Definition at line 42 of file asfdec-o.c.

Referenced by asf_read_generic_value().

#define ASF_WORD   0x5

Definition at line 43 of file asfdec-o.c.

Referenced by asf_read_generic_value().

#define ASF_GUID   0x6

Definition at line 44 of file asfdec-o.c.

Referenced by process_metadata().

#define ASF_DWORD   0x3

Definition at line 45 of file asfdec-o.c.

Referenced by asf_read_generic_value().

#define ASF_QWORD   0x4

Definition at line 46 of file asfdec-o.c.

Referenced by asf_read_generic_value().

#define ASF_UNICODE   0x0

Definition at line 47 of file asfdec-o.c.

Referenced by asf_read_value(), and process_metadata().

#define ASF_FLAG_BROADCAST   0x1

Definition at line 48 of file asfdec-o.c.

Referenced by asf_read_data(), asf_read_packet(), and asf_read_properties().

#define ASF_BYTE_ARRAY   0x1

Definition at line 49 of file asfdec-o.c.

Referenced by process_metadata().

#define ASF_TYPE_AUDIO   0x2

Definition at line 50 of file asfdec-o.c.

#define ASF_TYPE_VIDEO   0x1

Definition at line 51 of file asfdec-o.c.

#define ASF_STREAM_NUM   0x7F

Definition at line 52 of file asfdec-o.c.

Referenced by asf_read_ext_stream_properties(), asf_read_payload(), and asf_read_stream_properties().

#define ASF_MAX_STREAMS   128

Definition at line 53 of file asfdec-o.c.

Referenced by asf_read_header(), asf_read_language_list(), asf_read_metadata_obj(), asf_read_stream_properties(), and asf_store_aspect_ratio().

#define BMP_HEADER_SIZE   40

Definition at line 54 of file asfdec-o.c.

Referenced by parse_video_info().

#define ASF_NUM_OF_PAYLOADS   0x3F

Definition at line 55 of file asfdec-o.c.

Referenced by asf_read_packet_header().

#define ASF_ERROR_CORRECTION_LENGTH_TYPE   0x60

Definition at line 56 of file asfdec-o.c.

Referenced by asf_read_packet_header().

#define ASF_PACKET_ERROR_CORRECTION_DATA_SIZE   0x2

Definition at line 57 of file asfdec-o.c.

Referenced by asf_read_packet_header().

#define READ_LEN (   flag,
  name,
  len 
)
Value:
do { \
if ((flag) == name ## IS_BYTE) \
len = avio_r8(pb); \
else if ((flag) == name ## IS_WORD) \
len = avio_rl16(pb); \
else if ((flag) == name ## IS_DWORD) \
len = avio_rl32(pb); \
else \
len = 0; \
} while(0)
if
if()
Definition: avfilter.c:975
avio_rl32
unsigned int avio_rl32(AVIOContext *s)
Definition: aviobuf.c:659
else
else
Definition: h264pred_template.c:463
avio_r8
int avio_r8(AVIOContext *s)
Definition: aviobuf.c:529
avio_rl16
unsigned int avio_rl16(AVIOContext *s)
Definition: aviobuf.c:643
len
int len
Definition: vorbis_enc_data.h:452
name
const char * name
Definition: opengl_enc.c:103

Definition at line 1029 of file asfdec-o.c.

Referenced by asf_read_packet_header(), and asf_read_payload().

Function Documentation

static int detect_unknown_subobject ( AVFormatContext *  s,
int64_t  offset,
int64_t  size 
)
static

Definition at line 1590 of file asfdec-o.c.

Referenced by asf_read_unknown().

static const GUIDParseTable * find_guid ( ff_asf_guid  guid)
static

Definition at line 1574 of file asfdec-o.c.

Referenced by asf_read_ext_stream_properties(), asf_read_header(), and detect_unknown_subobject().

static int asf_probe ( AVProbeData *  pd)
static

Definition at line 152 of file asfdec-o.c.

static void swap_guid ( ff_asf_guid  guid)
static

Definition at line 161 of file asfdec-o.c.

Referenced by find_guid().

static void align_position ( AVIOContext *  pb,
int64_t  offset,
uint64_t  size 
)
static

Definition at line 169 of file asfdec-o.c.

Referenced by asf_read_content_desc(), asf_read_data(), asf_read_ext_content(), asf_read_ext_stream_properties(), asf_read_header(), asf_read_language_list(), asf_read_marker(), asf_read_metadata_obj(), asf_read_simple_index(), and asf_read_stream_properties().

static int asf_read_unknown ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 175 of file asfdec-o.c.

Referenced by detect_unknown_subobject().

static int get_asf_string ( AVIOContext *  pb,
int  maxlen,
char *  buf,
int  buflen 
)
static

Definition at line 197 of file asfdec-o.c.

Referenced by asf_read_language_list(), and asf_read_value().

static int asf_read_marker ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 214 of file asfdec-o.c.

static int asf_read_metadata ( AVFormatContext *  s,
const char *  title,
uint16_t  len,
unsigned char *  ch,
uint16_t  buflen 
)
static

Definition at line 253 of file asfdec-o.c.

Referenced by asf_read_content_desc().

static int asf_read_value ( AVFormatContext *  s,
uint8_t *  name,
uint16_t  name_len,
uint16_t  val_len,
int  type,
AVDictionary **  met 
)
static

Definition at line 265 of file asfdec-o.c.

Referenced by process_metadata().

static int asf_read_generic_value ( AVFormatContext *  s,
uint8_t *  name,
uint16_t  name_len,
int  type,
AVDictionary **  met 
)
static

Definition at line 305 of file asfdec-o.c.

Referenced by process_metadata().

static int asf_read_picture ( AVFormatContext *  s,
int  len 
)
static

Definition at line 338 of file asfdec-o.c.

Referenced by process_metadata().

static void get_id3_tag ( AVFormatContext *  s,
int  len 
)
static

Definition at line 436 of file asfdec-o.c.

Referenced by process_metadata().

static int process_metadata ( AVFormatContext *  s,
uint8_t *  name,
uint16_t  name_len,
uint16_t  val_len,
uint16_t  type,
AVDictionary **  met 
)
static

Definition at line 446 of file asfdec-o.c.

Referenced by asf_read_ext_content(), and asf_read_metadata_obj().

static int asf_read_ext_content ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 479 of file asfdec-o.c.

static AVStream* find_stream ( AVFormatContext *  s,
uint16_t  st_num 
)
static

Definition at line 510 of file asfdec-o.c.

Referenced by asf_read_header().

static void asf_store_aspect_ratio ( AVFormatContext *  s,
uint8_t  st_num,
uint8_t *  name 
)
static

Definition at line 526 of file asfdec-o.c.

Referenced by asf_read_metadata_obj().

static int asf_read_metadata_obj ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 542 of file asfdec-o.c.

static int asf_read_content_desc ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 583 of file asfdec-o.c.

static int asf_read_properties ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 612 of file asfdec-o.c.

static int parse_video_info ( AVIOContext *  pb,
AVStream *  st 
)
static

Definition at line 655 of file asfdec-o.c.

Referenced by asf_read_stream_properties().

static int asf_read_stream_properties ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 685 of file asfdec-o.c.

static void set_language ( AVFormatContext *  s,
const char *  rfc1766,
AVDictionary **  met 
)
static

Definition at line 793 of file asfdec-o.c.

Referenced by asf_read_header().

static int asf_read_ext_stream_properties ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 806 of file asfdec-o.c.

static int asf_read_language_list ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 874 of file asfdec-o.c.

static int asf_read_data ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 900 of file asfdec-o.c.

static int asf_read_simple_index ( AVFormatContext *  s,
const GUIDParseTable *  g 
)
static

Definition at line 935 of file asfdec-o.c.

static int asf_read_subpayload ( AVFormatContext *  s,
AVPacket *  pkt,
int  is_header 
)
static

Definition at line 1041 of file asfdec-o.c.

Referenced by asf_read_multiple_payload(), and asf_read_payload().

static void reset_packet ( ASFPacket *  asf_pkt)
static

Definition at line 1096 of file asfdec-o.c.

Referenced by asf_read_payload().

static int asf_read_multiple_payload ( AVFormatContext *  s,
AVPacket *  pkt,
ASFPacket *  asf_pkt 
)
static

Definition at line 1108 of file asfdec-o.c.

Referenced by asf_read_payload().

static int asf_read_single_payload ( AVFormatContext *  s,
AVPacket *  pkt,
ASFPacket *  asf_pkt 
)
static

Definition at line 1165 of file asfdec-o.c.

Referenced by asf_read_payload().

static int asf_read_payload ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 1217 of file asfdec-o.c.

Referenced by asf_read_packet().

static int asf_read_packet_header ( AVFormatContext *  s)
static

Definition at line 1286 of file asfdec-o.c.

Referenced by asf_read_packet().

static int asf_deinterleave ( AVFormatContext *  s,
ASFPacket *  asf_pkt,
int  st_num 
)
static

Definition at line 1319 of file asfdec-o.c.

Referenced by asf_read_packet().

static int asf_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
)
static

Definition at line 1361 of file asfdec-o.c.

Referenced by asf_read_timestamp().

static int asf_read_close ( AVFormatContext *  s)
static

Definition at line 1434 of file asfdec-o.c.

static void reset_packet_state ( AVFormatContext *  s)
static

Definition at line 1448 of file asfdec-o.c.

Referenced by asf_read_seek(), and asf_read_timestamp().

static int64_t asf_read_timestamp ( AVFormatContext *  s,
int  stream_index,
int64_t *  pos,
int64_t  pos_limit 
)
static

Definition at line 1492 of file asfdec-o.c.

static int asf_read_seek ( AVFormatContext *  s,
int  stream_index,
int64_t  timestamp,
int  flags 
)
static

Definition at line 1551 of file asfdec-o.c.

static int asf_read_header ( AVFormatContext *  s)
static

Definition at line 1618 of file asfdec-o.c.

Variable Documentation

const GUIDParseTable gdef[]
static

Definition at line 979 of file asfdec-o.c.

Referenced by find_guid().

AVInputFormat ff_asf_o_demuxer
Initial value:
= {
.name = "asf_o",
.long_name = NULL_IF_CONFIG_SMALL("ASF (Advanced / Active Streaming Format)"),
.priv_data_size = sizeof(ASFContext),
.read_probe = asf_probe,
.read_header = asf_read_header,
.read_packet = asf_read_packet,
.read_close = asf_read_close,
.read_timestamp = asf_read_timestamp,
.read_seek = asf_read_seek,
.flags = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH,
}
AVFMT_NOBINSEARCH
#define AVFMT_NOBINSEARCH
Format does not allow to fall back on binary search via read_timestamp.
Definition: avformat.h:478
asf_read_close
static int asf_read_close(AVFormatContext *s)
Definition: asfdec-o.c:1434
read_seek
static int read_seek(AVFormatContext *ctx, int stream_index, int64_t timestamp, int flags)
Definition: libcdio.c:153
read_close
static av_cold int read_close(AVFormatContext *ctx)
Definition: libcdio.c:145
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:175
asf_read_packet
static int asf_read_packet(AVFormatContext *s, AVPacket *pkt)
Definition: asfdec-o.c:1361
read_probe
static int read_probe(AVProbeData *pd)
Definition: jvdec.c:55
asf_read_header
static int asf_read_header(AVFormatContext *s)
Definition: asfdec-o.c:1618
read_header
static int read_header(FFV1Context *f)
Definition: ffv1dec.c:620
read_packet
static int read_packet(void *opaque, uint8_t *buf, int buf_size)
Definition: avio_reading.c:42
AVFMT_NOGENSEARCH
#define AVFMT_NOGENSEARCH
Format does not allow to fall back on generic search.
Definition: avformat.h:479
flags
static int flags
Definition: cpu.c:47
asf_probe
static int asf_probe(AVProbeData *pd)
Definition: asfdec-o.c:152
asf_read_timestamp
static int64_t asf_read_timestamp(AVFormatContext *s, int stream_index, int64_t *pos, int64_t pos_limit)
Definition: asfdec-o.c:1492
asf_read_seek
static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
Definition: asfdec-o.c:1551

Definition at line 1691 of file asfdec-o.c.

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